get_cfg_var
  Gets the value of a PHP configuration option
  
 
 
  Description
  
   string get_cfg_var
    ( string $option
   )
  
  
   This function will not return configuration information set when the PHP
   was compiled, or read from an Apache configuration file.
  
  
   To check whether the system is using a configuration file, try retrieving the
   value of the cfg_file_path configuration setting. If this is available, a
   configuration file is being used.
  
  
 
  Parameters
  
   
    
     - 
option
- 
      
       The configuration option name.
       
 
 
  Return Values
  
   Returns the current value of the PHP configuration variable specified by
   option, or FALSE if an error occurs.